A dubstep mix retelling Jeff Wayne's musical version of war of the worlds, sampling the original narratives by Richard Burton, Phil Lynott and David Essex - http://soundcloud.com/erwtenpeller/war-of-the-worlds
If you like Knife Party, you might like the band's main project (Knife Party is a mini-project by two band members from a group named Pendulum.) They do fantastic drum and bass. Immersion, their most recent album, may be their best.
If you're looking for similar electronic music sets, here are a couple I've been digging lately:
Kaskade's set from Coachella, soundboard recording. http://www.themusicninja.com/live-set-full-kaskade-coachella...
Porter Robinson's BBC Essential Mix - http://soundcloud.com/edmtunestv/porter-robinson-essential-m...
Knife Party's BBC Essential Mix - http://soundcloud.com/edmtunestv/knife-party-essential-mix-l...
Luvstep 2.5 (There are several other mixes in this series, though this one is my favorite) - http://soundcloud.com/dirtysouthjoe/luvstep-2-5
Straight Bass to the Dome - Coletrain http://soundcloud.com/cberra88/straight-bass-to-the-dome